Home / 186,051.42-278,855.58-129,585.92

Finding the Fourth Proportional to 186,051.42, 278,855.58 and 129,585.92

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Solution

The fourth proportional to 186,051.42, 278,855.58 and 129,585.92 is: 194,224.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,051.42 : 278,855.58 = 129,585.92 : x
  2. Step 2: Convert to fraction form
    186,051.42/278,855.58 = 129,585.92/x
  3. Step 3: Cross multiply
    186,051.42x = 278,855.58 × 129,585.92
  4. Step 4: Simplify right side
    186,051.42x = 36,135,755,487.16
  5. Step 5: Solve for x
    x = 36,135,755,487.16/186,051.42
  6. Step 6: Final answer
    x = 194,224.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.